Contec COM-2(PCI) User manual

COM-2(PCI), COM-4(PCI), COM-8(PCI)
RS-232C Serial I/O Board for PCI
User’s Guide

COM-2(PCI), COM-4(PCI), COM-8(PCI) i
Copyright
Copyright 1998 CONTEC Co., LTD. ALL RIGHTS RESERVED
No part of this document may be copied or reproduced in any form
by any means without prior written consent of CONTEC Co., LTD.
CONTEC Co., LTD. makes no commitment to update or keep
current the information contained in this document. The
information in this document is subject to change without notice.
All relevant issues have been considered in the preparation of this
document. Should you notice an omission or any questionable
item in this document, please feel free to notify CONTEC Co.,
LTD.
Regardless of the foregoing statement, CONTEC assumes no
responsibility for any errors that may appear in this document nor
for results obtained by the user as a result of using this product.
Trademarks
MS, Microsoft, MS-DOS and Windows are trademarks of Microsoft
Corporation. Other brand and product names are trademarks of their
respective holder.

COM-2(PCI), COM-4(PCI), COM-8(PCI)ii
Product Configuration
-Main board (one of the following)
[COM-2(PCI), COM-4(PCI), COM-8(PCI) Board] …1
-COM(PCI) Series Windows COM Driver
with DOS Sample program (3.5inch/1.44MB) …1
-User’s Guide (this booklet)…1
Unpacking:
This board is specially packed in an anti-static bag to prevent
damage in shipping.
Check the contents to make sure that you have everything listed
above. If you do not have all the items, contact your distributor
or CONTEC group office where you purchased.
Note! Do not remove the board from its protective packaging until the
computer case is open and ready for installation. Electrical static
can cause damage to electrical components.

COM-2(PCI), COM-4(PCI), COM-8(PCI) iii
Table of Contents
Copyright............................................................................i
Trademarks ........................................................................i
Product Configuration ..................................................... ii
1. Introduction .............................................................1
Features.........................................................................2
Limited Three-Year Warranty......................................3
How to Obtain Service..................................................3
Liability.........................................................................3
Handling Precautions...................................................4
About the Manual.........................................................5
2. Component Locations and Setting..............................7
Component Locations........................................................7
Setting the Board ID.......................................................10
Setting Procedure .......................................................10
3. Board Setup ............................................................11
For Windows Me Systems...............................................12
For Windows 98 Systems................................................15
For Windows 95 Systems................................................19
For Windows 2000 Systems............................................25
For Windows NT Systems ..............................................30
For Other OS Systems....................................................32

COM-2(PCI), COM-4(PCI), COM-8(PCI)iv
4. External Connection ............................................... 35
Interface Connector.........................................................35
Connecting the Interface Connector and Pin
Assignment..................................................................35
Optional Cables and Accessories....................................39
Optional Accessory List..............................................39
Connection Procedure.................................................40
Converting the Interface Connector
to 9-pin D-SUB, Male Connectors..............................41
Converting the Interface Connector
to 25-pin D-SUB, Male Connectors............................43
When using the CCU-78F/25M distribution unit.....45
Connecting the Cable......................................................47
5. I/O Ports and Registers ........................................... 49
I/O Port Assignment........................................................49
I/O Ports and Registers...................................................51
Register Address List for the 16552 and 16654 ............52
Baud Rate Selection........................................................54
Interrupt Vector Register ...............................................55
Using Interrupts.............................................................58
6. System Reference.................................................... 61
Circuitry Diagrams.........................................................61
Specifications...................................................................62
Block Diagrams...............................................................65
7. Index ..................................................................... 69

COM-2(PCI), COM-4(PCI), COM-8(PCI) v
List of Figures
Figure 2.1. Component Locations <COM-2(PCI)>..................... 7
Figure 2.2. Component Locations <COM-4(PCI)>..................... 8
Figure 2.3. Component Locations <COM-8(PCI)>..................... 9
Figure 2.4. Board ID Settings (SW1)........................................ 10
Figure 3.1. Sample Programs on FD......................................... 33
Figure 4.1. Interface Connector <COM-2(PCI)>...................... 35
Figure 4.2. Pin Assignment of Interface Connector
<COM-2(PCI)>...................................................... 35
Figure 4.3. Interface Connector <COM-4(PCI)>...................... 36
Figure 4.4. Pin Assignment of Interface Connector
<COM-4(PCI)>...................................................... 36
Figure 4.5. Interface Connector <COM-8(PCI)>...................... 37
Figure 4.6. Pin Assignment of Interface Connector
<COM-8(PCI)>...................................................... 37
Figure 4.7. The note about external connection........................ 38
Figure 4.8 Connection Type..................................................... 40
Figure 4.9. PCE37/9PS Specifications...................................... 41
Figure 4.10. PCE78/9PS Specifications...................................... 42
Figure 4.11. PCE37/25PS Specifications.................................... 43
Figure 4.12. PCE78/25PS Specifications.................................... 44
Figure 4.13. Connection Procedure ............................................ 45
Figure 4.14. Interface Connector Pin Assignment ...................... 45
Figure 4.15. Example Connection to a Modem........................... 47
Figure 4.16. Example Connection to a PC.................................. 47
Figure 4.17. Example Connection to a Device............................ 48

COM-2(PCI), COM-4(PCI), COM-8(PCI)vi
Figure 5.1. I/O Port Assignment <COM-2(PCI)>..................... 49
Figure 5.2. I/O Port Assignment <COM-4(PCI)>..................... 49
Figure 5.3. I/O Port Assignment <COM-8(PCI)>..................... 50
Figure 5.4. Interrupt Vector Register <COM-2(PCI)> .............. 55
Figure 5.5. Interrupt Vector Register <COM-4(PCI)> .............. 56
Figure 5.6. Interrupt Vector Register <COM-8(PCI)> .............. 57
Figure 5.7. Interrupt Output Control Circuit............................. 59
Figure 6.1. Circuitry Diagrams................................................. 61
Figure 6.2. Block Diagrams <COM-2(PCI)>............................ 65
Figure 6.3. Block Diagrams <COM-4(PCI)>............................ 66
Figure 6.4. Block Diagrams <COM-8(PCI)>............................ 67
List of Tables
Table 3.1. Data Format.............................................................. 33
Table 4.1. Connection Procedure............................................... 40
Table 5.1. Function Selection Through Internal Registers.......... 51
Table 5.2. Register Address List for the 16552 and 16654
(Short from Texas Instruments data book) < 1 / 2 > .. 52
Table 5.2. Register Address List for the 16552 and 16654
(Short from Texas Instruments data book) < 2 / 2 > .. 53
Table 5.3. Baud Rate and Divisors............................................. 54
Table 6.1. Specification < COM-2(PCI)>.................................. 62
Table 6.2. Specification < COM-4(PCI)>.................................. 63
Table 6.3. Specification < COM-8(PCI)>.................................. 64

Introduction
COM-2(PCI), COM-4(PCI), COM-8(PCI) 1
1. Introduction
Thank you for purchasing this PCI bus RS-232C communications
board.
This PCI bus board is an interface board for serial data transfer with
external devices. The board is installed in one of the PC's PCI bus
slots or in a PCI bus unit. Please read this manual carefully before
implementing in a system (such as developing application programs
or connecting to external devices).
Use of this board requires either driver software from CONTEC or
your own driver software that accesses the I/O address directly.
Support software provided with the board
COM-DRV(W32) ..... Standard COM serial communications
driver software for Windows 2000, NT, Me,
98 and 95
This is the same software as described in API-PAC(W32).
This software enables the board to be used in the same way as the
PC's COM ports (standard COM).
By adding additional boards, ports COM1 to COM256 can be
installed.
This enables serial communications for purposes such as remote
access service (RAS) and uninterruptable power supplies (UPS).
The software supports the standard Win32 API communication
routines.
Visual Basic communications control is supported.

Introduction
COM-2(PCI), COM-4(PCI), COM-8(PCI)2
Support software sold separately
< Examples of CONTEC software products for Windows>
-Driver Software Package (Option) API-PAC(W32)
< Examples of CONTEC software products for Windows 3.1 >
-Driver Software (Option) (supports COM4-(PCI) only)
API-SIO(PC)WIN
Please follow the setup instructions of the User’s manual shipped
with the software products and/or the help files of the package to
setup our interface board(s) to your system.
For details of CONTEC software products, please contact our sales
agencies.
Features
-As the board supports the PCI bus, the I/O address and IRQ
resource settings are set automatically.
-RS-232C compliant serial I/O ports
Board Number of channels
COM-2(PCI) 2
COM-4(PCI) 4
COM-8(PCI) 8
-Multiple boards can be installed in the same PC.
Maximum number of
installed boards
COM-2(PCI) 16
COM-4(PCI) 8
COM-8(PCI) 16
Board
-The data transfer rate is software-selectable in the range 50 to
230.4Kbps. The data transfer rate for each channel can be set
independently.

Introduction
COM-2(PCI), COM-4(PCI), COM-8(PCI) 3
Limited Three-Year Warranty
CONTEC Interface boards are warranted by CONTEC Co., LTD. to
be free from defects in material and workmanship for up to three
years from the date of purchase by the original purchaser.
Repair will be free of charge only when this device is returned
freight prepaid with a copy of the original invoice and a Return
Merchandise Authorization to the distributor or the CONTEC group
office, from which it was purchased.
This warranty is not applicable for scratches or normal wear, but
only for the electronic circuitry and original boards. The warranty
is not applicable if the device has been tampered with or damaged
through abuse, mistreatment, neglect, or unreasonable use, or if the
original invoice is not included, in which case repairs will be
considered beyond the warranty policy.
How to Obtain Service
For replacement or repair, return the device freight prepaid, with a
copy of the original invoice. Please obtain a Return Merchandise
Authorization Number (RMA) from the CONTEC group office
where you purchased before returning any product.
*No product will be accepted by CONTEC group without the
RMA number.
Liability
The obligation of the warrantor is solely to repair or replace the product.
In no event will the warrantor be liable for any incidental or
consequential damages due to such defect or consequences that arise
from inexperienced usage, misuse, or malfunction of this device.

Introduction
COM-2(PCI), COM-4(PCI), COM-8(PCI)4
Handling Precautions
Take the following precautions when handling this board.
-Do not strike or bend the board. Doing so could damage the
board.
-Do not modify the board. CONTEC will bear no responsibility
for any problems, etc., resulting from modifying this board.
-Do not touch the board's metal plated terminals (edge connector)
with your hands. Doing so could cause connection malfunctions.
If the terminals are touched by someone's hands, clean the
terminals with industrial alcohol.
-There are switches on the board that need to be set in advance. Be
sure to check these before installing the board.
-Only set the switches and jumpers on the board to the specified
settings. Doing otherwise would cause trouble.
-Install the board in the computer's PCI expansion slot.
-Do not install or remove the board to or from the slot while the
computer's power is turned on. Doing so could cause trouble. Be
sure that the personal computer or the I/O expansion unit power is
turned off.
-The sum of the power consumed by the boards installed in the
personal computer's PCI bus expansion slots cannot be larger than
the personal computer's allowable power supply capacity. If the
boards' power sum is larger than this capacity, trouble could
occur.

Introduction
COM-2(PCI), COM-4(PCI), COM-8(PCI) 5
About the Manual
This manual consists of the following chapters :
Chapter 1 Introduction
Chapter 2 Component Locations and Setting
This chapter explains the names of major parts on the
board and its switch setting.
Chapter 3 Board Setup
This chapter describes the procedures for setting up
the board.
Chapter 4 External Connection
This chapter explains how to connect external devices
to the board and gives notes on connecting them.
Chapter 5 I/O Ports and Registers
This chapter provides the assignment and definition of
each I/O port bit used for the board. Refer to this
chapter when writing driver software.
Chapter 6 System Reference
This chapter summarizes hardware specifications of
the board and provides circuit block diagrams.
Chapter 7 Index

Introduction
COM-2(PCI), COM-4(PCI), COM-8(PCI)6

Component Locations and Setting
COM-2(PCI), COM-4(PCI), COM-8(PCI) 7
2. Component Locations and Setting
Component Locations
Figure 2.1 - 2.3 shows the names of major parts on the board.
Note that the switch setting shown below is the factory default.
COM-2(PCI)
Figure 2.1. Component Locations <COM-2(PCI)>

Component Locations and Setting
COM-2(PCI), COM-4(PCI), COM-8(PCI)8
COM4-(PCI)
Figure 2.2. Component Locations <COM-4(PCI)>

Component Locations and Setting
COM-2(PCI), COM-4(PCI), COM-8(PCI) 9
COM-8 (PCI)
Figure 2.3. Component Locations <COM-8(PCI)>

Component Locations and Setting
COM-2(PCI), COM-4(PCI), COM-8(PCI)10
Setting the Board ID
If two or more boards of the same type are installed in the same PC,
a board ID is assigned to identify each board. Set a different value
for each board.
The board IDs can be set in the range 0 to F enabling a maximum of
16 boards to be identified.
However, the range for COM-4(PCI) is 0 to 7, giving a maximum
of 8 boards.
Setting Procedure
The board IDs are set on a rotary switch on the board. Rotate
SW1 to the desired setting. However, do not set board IDs 8 or 9
on the COM-4(PCI) as these ID numbers are not used. The rotary
switch setting shown in the figure sets board ID 0.
Figure 2.4. Board ID Settings (SW1)

Board Setup
COM-2(PCI), COM-4(PCI), COM-8(PCI) 11
3. Board Setup
The board setup method for the board depends on the operating
system being used. Set up the board using the method appropriate
for the OS that you are using.
For MS Windows OS systems, we recommend you to use our
Windows software products (optional).
< Examples of CONTEC software products for Windows>
-Driver Software Package (Option) API-PAC(W32)
< Examples of CONTEC software products for Windows 3.1 >
-Driver Software (Option) (supports COM4-(PCI) only)
API-SIO(PC)WIN
Please follow the setup instructions of the User’s manual shipped
with the software products and/or the help files of the package to
setup our interface board(s) to your system.
For details of CONTEC software products, please contact our sales
agencies.

Board Setup
COM-2(PCI), COM-4(PCI), COM-8(PCI)12
For Windows Me Systems
Every PCI bus board/device will be automatically assigned required
system resources, such as I/O address range and interrupt level, by
the system whenever the system is turned on.
Under Windows Me OS, before using the board you should register
the board information, such as assigned resources, to the OS. This
procedure is called hardware installation. After the hardware
installation is done, Windows Me can then manage the board
information from its registers.
Following is hardware installation steps. After finished the
installation, you are supposed to confirm the registered board
information from Windows Me registers.
Hardware Installation Steps
(1) Set the board ID.
(2) Be sure the power of the personal computer is turned off; then
plug the board into a PCI bus slot in the system.
(3) Turn the personal computer ON to start up Windows Me.
(4) Because this is the first time Windows Me detected the board
from the system, Windows Me will display a message of [New
Hardware] on the screen and start run an [Add New Hardware
Wizard] program. After you find a massage of [PCI
Communication Device] from the program window.
Select a radio button of [Automatic search for a better driver.
(Recommended)] after insert the attached floppy disk into the
disk drive, then click [Next>] to continue.
(5) The copy of the necessary file is done automatically from the
floppy disk.
(6) In the next dialog box, you will find a message of “Windows
has finished installing the new hardware device.”Then you
click [Finish] to complete the installation of the board. After
completed the board installation, you are supposed to confirm
the registered board information from Windows Me registers.
The "Checking resources" part of this section explains you
how to do it.

Board Setup
COM-2(PCI), COM-4(PCI), COM-8(PCI) 13
(7)After restarting system, run Config.exe from\CONTEC folder
to which file was copied.
Register the COM port No. in Config.exe.
(8)After restarting system, you can use registered COM port as
standard COM port.
Method of installing two or more boards:
(1) Install the first board correctly.
(2) Be sure to complete installation of the first board before
attempting to install a second one.
(3) Exit Windows Me and turn the personal computer off.
(4) Set the board ID of the second board that should be different
from the first one. Then plug the board into a PCI bus slot.
(5) Turn the personal computer on and start the Windows Me
again.
(6) The Windows Me will then automatically install the second
board. When the installation has been completed, re-check
the assigned resources.
(7) After restarting system, run Config.exe from \CONTEC folder
to which file were copied. Enter the COM port No. in
Config.exe.
(8) After restarting system, the board enable the board to used as
standard COM port.
For installing the third board and any additional boards, follow the
same steps as those for installing a second board. Before you can
install a third board or additional boards, all the boards that are
already installed must be in their PCI bus slots.